Merged revisions 71627 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r71627 | benjamin.peterson | 2009-04-15 16:26:36 -0500 (Wed, 15 Apr 2009) | 4 lines
call __float__ on str subclasses #5759
tests by R. David Murray
........
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index 2d3b357..123a69d 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -78,11 +78,18 @@
def __float__(self):
return 42
+ # Issue 5759: __float__ not called on str subclasses (though it is on
+ # unicode subclasses).
+ class FooStr(str):
+ def __float__(self):
+ return float(str(self)) + 1
+
self.assertAlmostEqual(float(Foo0()), 42.)
self.assertAlmostEqual(float(Foo1()), 42.)
self.assertAlmostEqual(float(Foo2()), 42.)
self.assertAlmostEqual(float(Foo3(21)), 42.)
self.assertRaises(TypeError, float, Foo4(42))
+ self.assertAlmostEqual(float(FooStr('8')), 9.)
def test_floatasratio(self):
for f, ratio in [